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Estimate, so: 900 litres, and 20 litres per day. 900/20 = 45 However, any estimation that results in an answer between 44-56 is acceptable.

Everyone learns differently, but for the ELAT I would suggest a few things as key to anyone's preparation. First and foremost it is important to make sure you are comfortable with unseen passages, and ana...

• multiply everything by 5, so you get 6y - 30 = 10x + 12 - add 30 to both sides, so you get 6y = 10x + 42 - divide everything by 6, so you have y = (10/6)x + (42/6) - simplify, y= (5/3)x + 7 - this i...

To be able to differentiate this we need to use the product rule as we want to differentiate two functions multiplied together. The product rule states that if y=uv, then : dy/dx= u dv/dx + v du/dx. Let u...

Pathogenesis is defined as the manner of development of a disease and the biological mechanisms that leads to a diseased state. Pathogenesis can be caused by a variety of things however; microbial infecti...